public class pp1_6homework{
  public static void main(String []args){
    System.out.println("                     o                       " );
    System.out.println("                    o o                      " );
    System.out.println("                   o   o                      ");
    System.out.println("                  o     o                    " );  
    System.out.println("                 o       o                    " );
    System.out.println("              o            o                  " ); 
    System.out.println("            o                o                 ");
    System.out.println("         o                      o              ");
    System.out.println("      o                            o           ");
    System.out.println("     o                              o          ");
    System.out.println("        o                         o            ");
    System.out.println("          o                     o              ");
    System.out.println("            o                 o                "); 
    System.out.println("               o          o                    ");
    System.out.println("               o          o                    ");
    System.out.println("               o          o                    ");
    System.out.println("               oooooooooooo                    ");
   }
}
